package com.rchat.pocmini.activity.binddevice;

import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.os.Environment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;

import com.aso.common.dialog.CustomDialog;
import com.aso.common.utils.ToastUtils;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.WriterException;
import com.google.zxing.client.android.CaptureActivity;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
import com.itsdf07.alog.ALog;
import com.rchat.pocmini.R;
import com.rchat.pocmini.bean2eventbus.BluetoothBean;
import com.rchat.pocmini.bluetooth.BTService;
import com.rchat.pocmini.common.mvp.BaseMvpActivity;

import org.greenrobot.eventbus.EventBus;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

import butterknife.BindView;
import butterknife.OnClick;

/**
 * Created by Administrator on 2017/9/12.
 */

public class BindDeviceActivity extends BaseMvpActivity<BindDevicePresenterImpl, BindDeviceModelImpl> implements
        BindDeviceContract.View,
        BindDeviceAdapter.ItemTouchHelperAdapterCallback {
    @BindView(R.id.layout_back)
    View mLayoutBack;
    @BindView(R.id.lv_bindeddevice)
    RecyclerView mBindedDevicesListVIew;

    BindDeviceAdapter mAdapter;

    @Override
    public void initPresenter() {
        mPresenter.setVM(this, mModel);
    }

    @Override
    public int getLayoutId() {
        return R.layout.activity_binddevice;
    }

    @Override
    public void initView() {
        mBindedDevicesListVIew.setLayoutManager(new LinearLayoutManager(this));
    }

    @Override
    public void doAfterInitView() {

    }

    @OnClick({R.id.layout_back,
            R.id.btn_autopair,
            R.id.btn_activate,
            R.id.btn_binddevice,
            R.id.btn_unbinddevice})
    public void onViewClicked(View view) {
        switch (view.getId()) {
            case R.id.layout_back:
                finish();
                break;
            case R.id.btn_autopair:
                Intent intentConnect = new Intent(this, CaptureActivity.class);
                startActivityForResult(intentConnect, BindDevicePresenterImpl.REQUEST_CODE_AUTOPAIR);
                break;
            case R.id.btn_activate:
                Intent intentActivate = new Intent(this, CaptureActivity.class);
                startActivityForResult(intentActivate, BindDevicePresenterImpl.REQUEST_CODE_ACTIVATE);
                break;
            case R.id.btn_binddevice:
                Intent intentBind = new Intent(this, CaptureActivity.class);
                startActivityForResult(intentBind, BindDevicePresenterImpl.REQUEST_CODE_BIND);
                break;
            case R.id.btn_unbinddevice:
                Intent intentUnBind = new Intent(this, CaptureActivity.class);
                startActivityForResult(intentUnBind, BindDevicePresenterImpl.REQUEST_CODE_UNBIND);
                break;
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (null == data) {
            return;
        }
        String result = data.getStringExtra("scan_result");
        if (TextUtils.isEmpty(result)) {
            ToastUtils.showToast(this, "扫描的内容为空，请确认是否需要重新扫码");
            return;
        }
        ALog.d("result = %s", result);
        switch (requestCode) {
            case BindDevicePresenterImpl.REQUEST_CODE_ACTIVATE:
                if (resultCode == RESULT_OK) {
                    mPresenter.activate(result);
                }
                break;
            case BindDevicePresenterImpl.REQUEST_CODE_BIND:
                if (resultCode == RESULT_OK) {
                    mPresenter.bindDevice(result);
                }
                break;
            case BindDevicePresenterImpl.REQUEST_CODE_UNBIND:
                if (resultCode == RESULT_OK) {
                    mPresenter.unBindDevice(result);
                }
                break;
            case BindDevicePresenterImpl.REQUEST_CODE_AUTOPAIR:
                if (resultCode == RESULT_OK) {
                    BluetoothBean bluetoothBean = new BluetoothBean();
                    bluetoothBean.setCurrentEvent(BluetoothBean.EVENT_CONNECT);
                    bluetoothBean.setTarget(this.getClass(),BTService.class,"onBluetoothEventBus");
                    bluetoothBean.setAddress(result);
                    EventBus.getDefault().post(bluetoothBean);
                }
                break;
            default:
                break;
        }
    }

    @Override
    public void updateList(ArrayList<String> devicesMac) {
        if (mAdapter == null) {
            mAdapter = new BindDeviceAdapter(devicesMac, this);
            mBindedDevicesListVIew.setAdapter(mAdapter);
        } else {
            mAdapter.setData(devicesMac);
        }
    }

    @Override
    public void showUnbindMacAddress(final String macAddress) {
        final CustomDialog.Builder builder = new CustomDialog.Builder(this);
        builder.setTitle(getString(R.string.qr_code_mac_address));
        builder.setCancelable(false);
        builder.setInterceptBack(true);
        final View view = LayoutInflater.from(this).inflate(R.layout.dialog_bt_mac_address, null, false);
        final ImageView ivMacAddress = (ImageView) view.findViewById(R.id.iv_mac_address);
        builder.setContentView(view);
        builder.setPositiveButton(getString(R.string.register_back), new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
            dialog.dismiss();
            }
        });
        final CustomDialog dialog = builder.create();
        final String filePath = getFileRoot(mActivity) + File.separator
                + "qr_" + System.currentTimeMillis() + ".jpg";
        new Thread(new Runnable() {
            @Override
            public void run() {
                boolean success = createQRImage(macAddress, 800, 800,
                        null,
                        filePath);

                if (success) {
                    mActivity.runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            ivMacAddress.setImageBitmap(BitmapFactory.decodeFile(filePath));
                            dialog.show();
                        }
                    });
                }
            }
        }).start();

    }

    @Override
    public void onItemClick(View view, String deviceMac) {
        ALog.d("unbind deviceMac = %s", deviceMac);
        mPresenter.unBindDevice(deviceMac);
    }

    //文件存储根目录
    private String getFileRoot(Context context) {
        if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
            File external = context.getExternalFilesDir(null);
            if (external != null) {
                return external.getAbsolutePath();
            }
        }

        return context.getFilesDir().getAbsolutePath();
    }


    /**
     * 生成二维码Bitmap
     *
     * @param content   内容
     * @param widthPix  图片宽度
     * @param heightPix 图片高度
     * @param logoBm    二维码中心的Logo图标（可以为null）
     * @param filePath  用于存储二维码图片的文件路径
     * @return 生成二维码及保存文件是否成功
     */
    public static boolean createQRImage(String content, int widthPix, int heightPix, Bitmap logoBm, String filePath) {
        try {
            if (content == null || "".equals(content)) {
                return false;
            }

            //配置参数
            Map<EncodeHintType, Object> hints = new HashMap<>();
            hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
            //容错级别
            hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
            //设置空白边距的宽度
            //            hints.put(EncodeHintType.MARGIN, 2); //default is 4



            // 图像数据转换，使用了矩阵转换
            BitMatrix bitMatrix = new QRCodeWriter().encode(content, BarcodeFormat.QR_CODE, widthPix, heightPix, hints);
            int[] pixels = new int[widthPix * heightPix];
            // 下面这里按照二维码的算法，逐个生成二维码的图片，
            // 两个for循环是图片横列扫描的结果
            for (int y = 0; y < heightPix; y++) {
                for (int x = 0; x < widthPix; x++) {
                    if (bitMatrix.get(x, y)) {
                        pixels[y * widthPix + x] = 0xff000000;
                    } else {
                        pixels[y * widthPix + x] = 0xffffffff;
                    }
                }
            }

            // 生成二维码图片的格式，使用ARGB_8888
            Bitmap bitmap = Bitmap.createBitmap(widthPix, heightPix, Bitmap.Config.ARGB_8888);
            bitmap.setPixels(pixels, 0, widthPix, 0, 0, widthPix, heightPix);

            if (logoBm != null) {
                bitmap = addLogo(bitmap, logoBm);
            }

            //必须使用compress方法将bitmap保存到文件中再进行读取。直接返回的bitmap是没有任何压缩的，内存消耗巨大！
            return bitmap != null && bitmap.compress(Bitmap.CompressFormat.JPEG, 100, new FileOutputStream(filePath));
        } catch (WriterException | IOException e) {
            e.printStackTrace();
        }

        return false;
    }

    /**
     * 在二维码中间添加Logo图案
     */
    private static Bitmap addLogo(Bitmap src, Bitmap logo) {
        if (src == null) {
            return null;
        }

        if (logo == null) {
            return src;
        }

        //获取图片的宽高
        int srcWidth = src.getWidth();
        int srcHeight = src.getHeight();
        int logoWidth = logo.getWidth();
        int logoHeight = logo.getHeight();

        if (srcWidth == 0 || srcHeight == 0) {
            return null;
        }

        if (logoWidth == 0 || logoHeight == 0) {
            return src;
        }

        //logo大小为二维码整体大小的1/5
        float scaleFactor = srcWidth * 1.0f / 5 / logoWidth;
        Bitmap bitmap = Bitmap.createBitmap(srcWidth, srcHeight, Bitmap.Config.ARGB_8888);
        try {
            Canvas canvas = new Canvas(bitmap);
            canvas.drawBitmap(src, 0, 0, null);
            canvas.scale(scaleFactor, scaleFactor, srcWidth / 2, srcHeight / 2);
            canvas.drawBitmap(logo, (srcWidth - logoWidth) / 2, (srcHeight - logoHeight) / 2, null);

            canvas.save();
            canvas.restore();
        } catch (Exception e) {
            bitmap = null;
            e.getStackTrace();
        }

        return bitmap;
    }



}
